Path: utzoo!attcan!uunet!cs.utexas.edu!samsung!gem.mps.ohio-state.edu!pacific.mps.ohio-state.edu!tut.cis.ohio-state.edu!att!watmath!watcgl!ksbooth
From: ksbooth@watcgl.waterloo.edu (Kelly Booth)
Newsgroups: comp.graphics
Subject: Re: 3-D to 2-D projection
Message-ID: <12352@watcgl.waterloo.edu>
Date: 20 Nov 89 03:15:22 GMT
References: <89322.172426SML108@PSUVM.BITNET>
Reply-To: ksbooth@watcgl.waterloo.edu (Kelly Booth)
Organization: U. of Waterloo, Ontario
Lines: 8

In article <89322.172426SML108@PSUVM.BITNET> SML108@PSUVM.BITNET writes:
>Hi, does anyone out there know of a 3-D to 2-D projection equation which does
>not have the effect of inverting coordinates when given a -Z coordinate such
>as the equation  x(2D)=x(3d)/z(3D)*z(viewpoint) does ?
>
>Scott Le Grand aka SML108

Clip.